* - cluster : wait on the given external load balancer DBs
* - timeout : Max wait time. Default: ~60 seconds
* - ifWritesSince: Only wait if writes were done since this UNIX timestamp
- * @throws DBReplicationWaitError If a timeout or error occured waiting on a DB cluster
+ * @throws DBReplicationWaitError If a timeout or error occurred waiting on a DB cluster
*/
public function waitForReplication( array $opts = [] );